222055237 has 2 divisors, whose sum is σ = 222055238. Its totient is φ = 222055236.

The previous prime is 222055199. The next prime is 222055243. The reversal of 222055237 is 732550222.

222055237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120428676 + 101626561 = 10974^2 + 10081^2 .

It is a cyclic number.

It is not a de Polignac number, because 222055237 - 2¹¹ = 222053189 is a prime.

It is equal to p_12229471 and since 222055237 and 12229471 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222055247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111027618 + 111027619.

It is an arithmetic number, because the mean of its divisors is an integer number (111027619).

Almost surely, 2^222055237 is an apocalyptic number.

It is an amenable number.

222055237 is a deficient number, since it is larger than the sum of its proper divisors (1).

222055237 is an equidigital number, since it uses as much as digits as its factorization.

222055237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 222055237 is about 14901.5179428137. The cubic root of 222055237 is about 605.5551101170. Note that the first 3 decimals are identical.

The spelling of 222055237 in words is "two hundred twenty-two million, fifty-five thousand, two hundred thirty-seven".